1,Accoding to API16A 2,An intergral part of well control equipment 3,Working Pressure :2000-10000psi Features 1,Upper housing and the body have two connection forms as connection by bolts and connection by claw chuck.2,Annular BOP with tapered rubber is composed of seven parts as upper housing, wear plate, body, piston, tapered rubber, anti-dust ring supporting cylinder.3,The dynamic seal of ...